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[DOC File]1
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The Big-Bang explains the origin of the universe. The universe began as a dense sphere of gas and dust that expanded and condensed into galaxies. Red Shifts indicate the Universe is expanding outward. This is used to support the Big Bang Theory. The Solar Nebula Theory is our best current idea for the origin of the solar system.
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[DOCX File]Chapter 1 The runaway galaxies
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How are the universe and galaxy alike? 2. How would you describe the Milky Way galaxy? 3. Describe what makes up the universe. 4. What is the science of studying objects in space? 5. Do today’s sailors still use the Sun and the stars on the open sea? Why or why not? 6. …
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≡ 50 Amazing Facts About Our Universe List + Planets & Moons
25.3 The Universe. The Milky Way Galaxy. A. galaxy . is a group of stars, dust, and gases held together by gravity. _____ of the Milky Way • large spiral galaxy whose disk about _____ and about 10,000 light-years thick at the nucleus. WE ARE located about _____ ...
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[DOC File]1929 Lesson - Imagine the Universe!
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A Light Year is the distance light travels in a year. We measure star and galaxy distances with Light years. Apollo 11 was the 1st manned landing on the moon. Neil Armstrong was the 1st man on the moon. The Big- Bang explains the origin of the Universe. The Universe began as a dense sphere that expanded and condensed into galaxies.
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[DOCX File]North Allegheny School District
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Scientists believe that the Universe is expanding. Let's see what this means for the distances between Earth and the stars. Materials. 1 light colored balloon 1 ruler 1 paper clip 4 markers in different, dark colors . Procedure. We'll use a balloon to represent the Universe. Blow up the balloon to the size of a baseball.
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[DOC File]AMAZING EARTH SCIENCE FACTS
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Chapter 1 The runaway galaxies. In this chapter, we encounter the first plank of evidence for the big bang model - the discovery that the universe contains a large number of galaxies, most of which are rushing away from one another at immense speeds.
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[DOCX File]1955 Cosmic Times – Question Guide
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Observations are facts derived from the environment by using the five senses. Ex: The book is yellowish. ... which is evidence that the universe is ____ expanding _____. Our Solar System. Our sun is a medium size (Main Sequence) star in the galaxy called the _ ... Universe, Galaxy, Solar system, Earth.
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[DOC File]THE EXPANDING UNIVERSE - Stars
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This unit is broken down into three sub-ideas: the universe and its stars, Earth and the solar system, and the history of planet Earth. Students examine the Earth’s place in relation to the solar system, the Milky Way galaxy, and the universe. There is a strong emphasis on a systems approach and using models of the solar system to explain the ...
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[DOC File]Lecture Notes: CH 25 Stars and the Universe
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For an expanding or contracting universe, talk about the idea that all of the galaxies should be either getting further away or closer together. Also, since the universe has always been in motion, the further away a galaxy is, the faster it should be moving for an expanding universe, while the opposite should be true for a contracting one.
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[DOC File]Grade 4 Waves and Energy
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‘Yardsticks’ in Neighbor Galaxy Double Universe’s Size. 1. Who is Walter Baade, and what did he discover about the size of the Universe? 2. Who discovered the first “yardstick” used to measure distances in the Universe? 3. Name. and . describe. the special type of stars she used to measure distance. 4. Explain
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Universe and galaxy facts